Linux Administrator L3

Job Description

Skill : Linux Administrator L3 with Ansible Automation Experience Range : 8+ Years Position : Permanent Location : Chennai Work Mode : Hybrid (4Days office & 1 Day WFH) Shift : 1-10PM Project : Banking Interview Mode: 1st round virtual + 2nd round in-person Job Responsibilities Administrator and maintain Red Hat Enterprise Linux (RHEL) systems, ensuring high availability and performance. Design, implement, and maintain Ansible playbooks for system automation, patch management, software installation, and infrastructure provisioning. Troubleshoot, optimize, and manage system performance and resources (e.g., CPU, memory, storage). Automate server provisioning, configuration, and application deployment across environments using Ansible . Implement and manage Red Hat Satellite for system updates, patches, and configuration management. Collaborate with DevOps teams to integrate Linux automation with CI/CD pipelines (Jenkins, GitLab). Ensure system compliance with organizational and industry security standards (e.g., CIS Benchmarks). Develop and maintain Ansible roles , collections, and reusable automation scripts. Monitor, analyze, and resolve complex issues related to system performance, storage, and networking. Provide documentation for configurations, troubleshooting steps, and automation processes. Required Skills & Qualifications: Proven experience as a Red Hat Linux Administrator (RHEL 6/7/8). Strong expertise in Ansible automation , including writing and managing playbooks and roles . Familiarity with Red Hat Satellite , yum/dnf , and systemd . Experience in configuring and managing system services, networking, and security (SELinux, firewalld). Proficient in shell scripting (Bash) and automation tasks. Hands-on experience with cloud platforms (AWS, Azure, or GCP) and managing infrastructure-as-code with Ansible . Knowledge of CI/CD concepts and integration of Ansible in CI/CD pipelines. Experience in high availability (HA) configurations, load balancing, and clustering (Pacemaker, Corosync). Strong troubleshooting skills with system logs , performance issues, and network configuration. Familiarity with version control systems like Git .